Four-cylinder engines are usually associated with efficiency and compact packaging, yet a handful of engineers have stretched the format to astonishing sizes. The five engines below represent some of ...

It's a cliché, but that's because there's truth in the statement: The engine is the heart of an automobile. In many cases, it's a defining feature, and not just for sports cars, muscle cars, or ...

Since the first internal combustion engine fired up in the 19th century, engineers have been trying to push its limits. Each generation of technology has come with its own walls to break, whether it ...